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-rw-r--r--drivers/infiniband/hw/ehca/ehca_hca.c127
1 files changed, 79 insertions, 48 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c
index 8832123d1d0f..2515cbde7e65 100644
--- a/drivers/infiniband/hw/ehca/ehca_hca.c
+++ b/drivers/infiniband/hw/ehca/ehca_hca.c
@@ -43,6 +43,11 @@
43#include "ehca_iverbs.h" 43#include "ehca_iverbs.h"
44#include "hcp_if.h" 44#include "hcp_if.h"
45 45
46static unsigned int limit_uint(unsigned int value)
47{
48 return min_t(unsigned int, value, INT_MAX);
49}
50
46int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props) 51int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
47{ 52{
48 int i, ret = 0; 53 int i, ret = 0;
@@ -83,37 +88,40 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
83 props->vendor_id = rblock->vendor_id >> 8; 88 props->vendor_id = rblock->vendor_id >> 8;
84 props->vendor_part_id = rblock->vendor_part_id >> 16; 89 props->vendor_part_id = rblock->vendor_part_id >> 16;
85 props->hw_ver = rblock->hw_ver; 90 props->hw_ver = rblock->hw_ver;
86 props->max_qp = min_t(unsigned, rblock->max_qp, INT_MAX); 91 props->max_qp = limit_uint(rblock->max_qp);
87 props->max_qp_wr = min_t(unsigned, rblock->max_wqes_wq, INT_MAX); 92 props->max_qp_wr = limit_uint(rblock->max_wqes_wq);
88 props->max_sge = min_t(unsigned, rblock->max_sge, INT_MAX); 93 props->max_sge = limit_uint(rblock->max_sge);
89 props->max_sge_rd = min_t(unsigned, rblock->max_sge_rd, INT_MAX); 94 props->max_sge_rd = limit_uint(rblock->max_sge_rd);
90 props->max_cq = min_t(unsigned, rblock->max_cq, INT_MAX); 95 props->max_cq = limit_uint(rblock->max_cq);
91 props->max_cqe = min_t(unsigned, rblock->max_cqe, INT_MAX); 96 props->max_cqe = limit_uint(rblock->max_cqe);
92 props->max_mr = min_t(unsigned, rblock->max_mr, INT_MAX); 97 props->max_mr = limit_uint(rblock->max_mr);
93 props->max_mw = min_t(unsigned, rblock->max_mw, INT_MAX); 98 props->max_mw = limit_uint(rblock->max_mw);
94 props->max_pd = min_t(unsigned, rblock->max_pd, INT_MAX); 99 props->max_pd = limit_uint(rblock->max_pd);
95 props->max_ah = min_t(unsigned, rblock->max_ah, INT_MAX); 100 props->max_ah = limit_uint(rblock->max_ah);
96 props->max_fmr = min_t(unsigned, rblock->max_mr, INT_MAX); 101 props->max_ee = limit_uint(rblock->max_rd_ee_context);
102 props->max_rdd = limit_uint(rblock->max_rd_domain);
103 props->max_fmr = limit_uint(rblock->max_mr);
104 props->local_ca_ack_delay = limit_uint(rblock->local_ca_ack_delay);
105 props->max_qp_rd_atom = limit_uint(rblock->max_rr_qp);
106 props->max_ee_rd_atom = limit_uint(rblock->max_rr_ee_context);
107 props->max_res_rd_atom = limit_uint(rblock->max_rr_hca);
108 props->max_qp_init_rd_atom = limit_uint(rblock->max_act_wqs_qp);
109 props->max_ee_init_rd_atom = limit_uint(rblock->max_act_wqs_ee_context);
97 110
98 if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) { 111 if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) {
99 props->max_srq = props->max_qp; 112 props->max_srq = limit_uint(props->max_qp);
100 props->max_srq_wr = props->max_qp_wr; 113 props->max_srq_wr = limit_uint(props->max_qp_wr);
101 props->max_srq_sge = 3; 114 props->max_srq_sge = 3;
102 } 115 }
103 116
104 props->max_pkeys = 16; 117 props->max_pkeys = 16;
105 props->local_ca_ack_delay 118 props->local_ca_ack_delay = limit_uint(rblock->local_ca_ack_delay);
106 = rblock->local_ca_ack_delay; 119 props->max_raw_ipv6_qp = limit_uint(rblock->max_raw_ipv6_qp);
107 props->max_raw_ipv6_qp 120 props->max_raw_ethy_qp = limit_uint(rblock->max_raw_ethy_qp);
108 = min_t(unsigned, rblock->max_raw_ipv6_qp, INT_MAX); 121 props->max_mcast_grp = limit_uint(rblock->max_mcast_grp);
109 props->max_raw_ethy_qp 122 props->max_mcast_qp_attach = limit_uint(rblock->max_mcast_qp_attach);
110 = min_t(unsigned, rblock->max_raw_ethy_qp, INT_MAX);
111 props->max_mcast_grp
112 = min_t(unsigned, rblock->max_mcast_grp, INT_MAX);
113 props->max_mcast_qp_attach
114 = min_t(unsigned, rblock->max_mcast_qp_attach, INT_MAX);
115 props->max_total_mcast_qp_attach 123 props->max_total_mcast_qp_attach
116 = min_t(unsigned, rblock->max_total_mcast_qp_attach, INT_MAX); 124 = limit_uint(rblock->max_total_mcast_qp_attach);
117 125
118 /* translate device capabilities */ 126 /* translate device capabilities */
119 props->device_cap_flags = IB_DEVICE_SYS_IMAGE_GUID | 127 props->device_cap_flags = IB_DEVICE_SYS_IMAGE_GUID |
@@ -128,6 +136,46 @@ query_device1:
128 return ret; 136 return ret;
129} 137}
130 138
139static int map_mtu(struct ehca_shca *shca, u32 fw_mtu)
140{
141 switch (fw_mtu) {
142 case 0x1:
143 return IB_MTU_256;
144 case 0x2:
145 return IB_MTU_512;
146 case 0x3:
147 return IB_MTU_1024;
148 case 0x4:
149 return IB_MTU_2048;
150 case 0x5:
151 return IB_MTU_4096;
152 default:
153 ehca_err(&shca->ib_device, "Unknown MTU size: %x.",
154 fw_mtu);
155 return 0;
156 }
157}
158
159static int map_number_of_vls(struct ehca_shca *shca, u32 vl_cap)
160{
161 switch (vl_cap) {
162 case 0x1:
163 return 1;
164 case 0x2:
165 return 2;
166 case 0x3:
167 return 4;
168 case 0x4:
169 return 8;
170 case 0x5:
171 return 15;
172 default:
173 ehca_err(&shca->ib_device, "invalid Vl Capability: %x.",
174 vl_cap);
175 return 0;
176 }
177}
178
131int ehca_query_port(struct ib_device *ibdev, 179int ehca_query_port(struct ib_device *ibdev,
132 u8 port, struct ib_port_attr *props) 180 u8 port, struct ib_port_attr *props)
133{ 181{
@@ -152,31 +200,13 @@ int ehca_query_port(struct ib_device *ibdev,
152 200
153 memset(props, 0, sizeof(struct ib_port_attr)); 201 memset(props, 0, sizeof(struct ib_port_attr));
154 202
155 switch (rblock->max_mtu) { 203 props->active_mtu = props->max_mtu = map_mtu(shca, rblock->max_mtu);
156 case 0x1:
157 props->active_mtu = props->max_mtu = IB_MTU_256;
158 break;
159 case 0x2:
160 props->active_mtu = props->max_mtu = IB_MTU_512;
161 break;
162 case 0x3:
163 props->active_mtu = props->max_mtu = IB_MTU_1024;
164 break;
165 case 0x4:
166 props->active_mtu = props->max_mtu = IB_MTU_2048;
167 break;
168 case 0x5:
169 props->active_mtu = props->max_mtu = IB_MTU_4096;
170 break;
171 default:
172 ehca_err(&shca->ib_device, "Unknown MTU size: %x.",
173 rblock->max_mtu);
174 break;
175 }
176
177 props->port_cap_flags = rblock->capability_mask; 204 props->port_cap_flags = rblock->capability_mask;
178 props->gid_tbl_len = rblock->gid_tbl_len; 205 props->gid_tbl_len = rblock->gid_tbl_len;
179 props->max_msg_sz = rblock->max_msg_sz; 206 if (rblock->max_msg_sz)
207 props->max_msg_sz = rblock->max_msg_sz;
208 else
209 props->max_msg_sz = 0x1 << 31;
180 props->bad_pkey_cntr = rblock->bad_pkey_cntr; 210 props->bad_pkey_cntr = rblock->bad_pkey_cntr;
181 props->qkey_viol_cntr = rblock->qkey_viol_cntr; 211 props->qkey_viol_cntr = rblock->qkey_viol_cntr;
182 props->pkey_tbl_len = rblock->pkey_tbl_len; 212 props->pkey_tbl_len = rblock->pkey_tbl_len;
@@ -186,6 +216,7 @@ int ehca_query_port(struct ib_device *ibdev,
186 props->sm_sl = rblock->sm_sl; 216 props->sm_sl = rblock->sm_sl;
187 props->subnet_timeout = rblock->subnet_timeout; 217 props->subnet_timeout = rblock->subnet_timeout;
188 props->init_type_reply = rblock->init_type_reply; 218 props->init_type_reply = rblock->init_type_reply;
219 props->max_vl_num = map_number_of_vls(shca, rblock->vl_cap);
189 220
190 if (rblock->state && rblock->phys_width) { 221 if (rblock->state && rblock->phys_width) {
191 props->phys_state = rblock->phys_pstate; 222 props->phys_state = rblock->phys_pstate;
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-13 04:03:44 -0500